aoc2024/day-09/internal/two/block.go

package two

import "fmt"

type kind int

const (
	kindOfFile kind = iota
	kindOfEmpty
)

type block struct {
	kind   kind
	id     int
	start  int
	length int
	value  int
}

func newBlock(kind kind, id, start, length, value int) *block {
	return &block{kind, id, start, length, value}
}

func (b *block) String() string {
	var kindStr string
	switch b.kind {
	case kindOfFile:
		kindStr = "file"
	case kindOfEmpty:
		kindStr = "empty"
	}
	return fmt.Sprintf("kind: %s id: %d start: %d length: %d", kindStr, b.id, b.start, b.length)
}